Related:

android,mqtt,mosquitto,libmosquitto
I am trying to implement Push notifications on Android, using Mosquitto broker. So, different android application create topics based on tehir id on which they will receive notifications. To send notifications to those android applications we need the name of the topic. I am wondering if there is a way...

android
I am new to android programming. I am trying to draw a rectangle as in the image below. I have no idea how to do it with Rect(int left, int top, int right, int bottom). Can someone help me with this thanks. ...

android,android-intent,android-activity,bitmap
I want to set an image in image view,I am retrieving the image path in my first activity and I am passing it via intent as a String to second activity.In the second activity I set the path to an image view,It is working properly , and I need to...

java,android,android-intent,uri,avd
In my Android app, I have a button that when clicked, launches the external application of my choice to play a video (I gather that this is called an "implicit intent"). Here is the relevant Java code from my onCreate method. Button button = (Button) findViewById(R.id.button); button.setOnClickListener ( new Button.OnClickListener()...

android,android-activity
I have a HashMap that contains data relevant to a specific Activity. The problem is that when the app is opened after being idle for some time, the HashMap is empty. I am fetching all the data in the main activity and storing the corresponding objects in a HashMap in...

java,android,web-services
I'm trying to rewrite the application in this, in Android Studio link, which is written in Eclipse. There are two problems, first problem is there is this line in the project : import com.example.webserviceactivity.R; I couldn't write this one on Android Studio. The second problem is, in this part of...

android,json
I use this tutorial: JSON and part of code to this: protected String doInBackground(String... urls) { TextView lbl=(TextView) findViewById(R.id.provCODE); person = new Person(); person.setName(lbl.getText().toString()); //person.setCountry("1853"); //person.setTwitter("1892"); return POST(urls[0],person); } but in the this line: person.setName(lbl.getText().toString()); i get this error: Can not resolve method. How can i solve that?what happen? my...

android,android-listview
I have seen a lot of post about this case but I don't find a solution for me. I use SwipeRefreshLayout.OnRefreshListener and this is my code in onRefresh() method. This doesn't work. new Handler().postDelayed(new Runnable() { @Override public void run() { Aviso aviso = new Aviso(); aviso.setTitle("MMMMMMMMMMMMMMMMMMMMMM"); aviso.setDescription("Deskribapena"); aviso.setPubDate("Wed, 19...

android,android-fragments,dagger-2
I'm a little confused about how to best use the custom scoping in Dagger 2. I've looked at a couple different articles which seem to suggest two different ways of doing it: MVP Presenters that Survive Configuration Changes Part-2 (Github repo): Uses unique custom scopes for each fragment, e.g. @Hello1Scope...

android
I am trying to make a dynamic string and converting a hardcoded string which has been passed to setText() function . However it doesn't seem to accept it . Here is what I have tried : Original code : device.name.setText("Mac :" + data.macAddress); Strings.xml declaration : <string name="mac">Mac :</string> New...

java,android,listview,android-fragments,expandablelistview
In my list view I have an textview in expandable group and I want to open the dialog when textview is clicked to fill the information through edittext and update textview. Problem: how could I get the groupview textview item in my fragment oncreateview() method....

android,arrays,gridview
I'm trying to create a GridView with an array of strings. These are XML, and MainActivity and Adapter, but what I get is a blank screen. I'm change the background, but the result is the same, but clicking on a point on the screen appears to me the toast stating...

android,android-fragments,asynchronous
I've been experiencing this problem on some devices, especially Samsung. I have an activity that has 7 fragments. In most of them, I start an async task for getting some data. I handle the exceptions by creating a handler in onCreateView(). handler = new Handler(new Handler.Callback() { @Override public boolean...

java,android,eclipse,adt
This question already has an answer here: What is a Null Pointer Exception, and how do I fix it? 12 answers I'm a beginner in android developing and I'm trying to build a simple app but I'm getting this error in the emulator.(Unfortunately,(App) has unexpectedly stopped). LogCat http://i.stack.imgur.com/VZhuL.png package...

android
I have some 100*100 icons and I cannot find better resolution icons so I put them inside drawable folder. The width and height of the image view are set to wrap_content. When the image is shown on a xhdpi screen will the image be scaled to 200*200 automatically? or should...

android,android-activity,android-studio,menu,menuitem
I have created an app in android studio that has more than 30 activities .I created menu items in some activities by adding them in individual menu files and they worked fine . But the problem is that it is a real headache to add all the menu items in...

java,android,gps,geolocation,location
Requirement: 1.Sometimes(not everytime) I am getting latitude and longitude 0.0. 2.I want to know how to get the location update after user has enabled the gps from the settings. Here is my code public class GPSTracker extends Service implements LocationListener { private final Context mContext; // flag for GPS status...

java,multithreading,wait
I need to block execution of a thread until resumed from another thread. So I wrote my own implementation using wait() method. Which seems to be working, but it is far from simple. Is there any ready to use solution? Preferably in java SE 6? Or do I have to...

android,dynamic,android-arrayadapter,android-spinner
I am developing a android application with spinner in a form. The spinner items and spinner values are different. I want to collect all the value from the from including spinner and set a rest api service to web back end. here is the response array. {"Status":true,"errorType":null,"countryList":[{"Code":"US","Name":"United States"},{"Code":"CA","Name":"Canada"},{"Code":"AU","Name":"Australia"},{"Code":"GB","Name":"United Kingdom"}]} I...

c#,multithreading,file-search
Currently I have a .txt file of about 170,000 jpg file names and I read them all into a List (fileNames). I want to search ONE folder (this folder has sub-folders) to check if each file in fileNames exists in this folder and if it does, copy it to a...

android,search-suggestion,custom-search-provider
Action view Intent for Search widget does not send Intent i am using Toast to show whether intent is sent when user choose item from suggestion in Quick Search Box here is snippet where intent is received in searchable Activity if (Intent.ACTION_VIEW.equals(intent.getAction())){ /* Intent countryIntent = new Intent(this, RecordActivity.class); countryIntent.setData(intent.getData());...

android,calendarview
i'm new to android developing and started to develop an booking app. There is a calendar view and i want to disable booked dates in that calendar. I found out that disabling feature is not there in android default calendar. so could you please help me to find a good...

android,xamarin,xamarin.forms
I have a rather large SQLite database (~20 mb) I need to access from my Android Xamarin-Forms app. Everything online I've read says you can read the database by copying it to the filesystem first. For example, this question. However, won't that mean the large database is duplicated, wasting users'...

android,listview,recyclerview,navigationview
I am using the new NavigationView from revision 22.2.0 of the support library by Google. It works perfectly fine to generate a navigation drawer populated using a menu res. I was wondering is it possible to add a ListView or RecyclerView to the navigation drawer so that it can be...

android,android-espresso
Can't make my Espresso UI test work. Where's the problem? What result should I get for this simple app to consider that it's working? I have "android.support.test.runner.AndroidJUnitRunner" for Instrumentation runner in Edit Confirurations. From AndroidManifest.xml: <instrumentation android:name="android.support.test.runner.AndroidJUnitRunner" android:targetPackage="my.package"/> From build.gradle: defaultConfig { applicationId "my.package" minSdkVersion 18 targetSdkVersion 22 versionCode 1...

c#,multithreading,performance,loops
I'm having some performance issues when starting my windows service, the first round my lstSps is long (about 130 stored procedures). Is there anyway to speed this up (except for speeding the stored procedures up)? When the foreach is over and goes over to the second round it goes faster,...

android,android-service,android-wear,google-api-client,android-wear-data-api
I tried creating a service (which extends WearableListenerService) which should send as well as receive data with wearable. But when i created GoogleApiClient object in that service, it failed with NullPointerException. public class MyService extends WearableListenerService{ private GoogleApiClient mGoogleApiClient = new GoogleApiClient.Builder(this) .addApi(Wearable.API) .build(); private final String MESSAGE_PATH = "/message";...

java,android,eclipse,sdk,versions
I am new to android developments. I am setting up my android development environment using Eclipse. I have a test smart phone with Android version 4.2.2. The automatic installation installed the latest Android SDK version, which is 5.1.1. My questions are: 1. Do I have to install the SDK version...

java,android,string
I have a if-statement in the start of my app if (ready.equals("yes")){ ... } and later on my code I have ready="yes"; but the if statement is never called, why? The ready="yes"; is called from a background thread, is that why? public void DownloadFromUrl(final String fileName) { //this is the...

android,xamarin,monodroid,xamarin.forms,floating-action-button
I had completed my App's home page in Xamarin.Forms Portable. Now i want to add a Flotation Action Button In my Android Project ! Is there any way to add FAB for Android in my existing home page, which was coded in Xamarin.Forms Portable. OR I want to create a...

php,android
I'm currently trying to develop an Android app that communicates with a database. I use php scripts to communicate between my app and the database. For error handling purposes, I was wondering if I could replace the die() function in php with something simliar to json_encode so that I can...

android,logging,error-handling,sdk,production
I want to catch all the un expected/undesirable events in my app during production. I want something which can send a error log file to server and I can easily read it through a web application. Do you know anything of this sort ?

java,android
is there any way to get the distinct values of a custom arraylist? public class mystatistic extends BaseActivity { public String objectid; public String playerid; public String playername; public String enemyid; public String enemyname; public String question; public mystatistik(String objectid, String playerid, String playername, String enemyid, String enemyname, String question)...

android,android-intent,bluetooth,android-bluetooth,bluetooth-oob
I have prepared a simple test project for this question at GitHub. I am trying to create an Android app, which would scan a QR code from a computer screen and then use the data (MAC address and PIN or hash) for easy pairing (bonding) with a Bluetooth device. Similar...

android,xml,android-fragments
I am using a FAB(Floating action button) and a ViewPager that has a list inside a fragment. The ViewPager stops due to the FAB block and each are blocks the ViewPager being on top of the FAB activity_main.xml <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" xmlns:fab="http://schemas.android.com/apk/res-auto" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:fitsSystemWindows="true">...

java,android,list,indexof
I have a list and I want to get the position of the string which starts with specific letter. I am trying this code, but it isn't working. List<String> sp = Arrays.asList(splited); int i2 = sp.indexOf("^w.*$"); ...

android,imageview,scale
I have an ImageView which is populated from database (the image comes from database). in the database i have images both portrait and landscape!! how can i adjust the imageView to scale it self according to the image width and height. I have tried many ways but no result! any...

android,facebook,facebook-graph-api
I am using v2.3 api here I can login with Facebook login button. Now how can I call additional permission on click? I have looked through answers for this question, but all of them look to be back-dated. Can someone show me the right way of asking for addition permission...

java,android,android-fragments,spannablestring
I need to do something like this. Suppose I have 2 fragments A and B.There is a text which can be clickable in fragment A and when user click this text , he can go to fragment B. This example helped me to do it but I think it does...

android,android-audiomanager,ondestroy
I implemented an app which has a button speaker, which is manually set "on" by myAudioManager.setSpeakerphoneOn(true) and "off" vice-versa. But the bug is when you close the application while the speaker is on, it forgets the speaker was on. The next time, the speaker remains on and the call is...

android,google-play,publishing
I have uploaded my app on the store 3 days ago and it status still : PENDING PUBLICATION I have uploaded all the app listing needed : description, screen shots ... and google didn't contact me on E-mail. does anyone had the same case before ???...